natsci

                                    THE WATER IN THE EARTH
      

                     Earth is the only planet that is able to support life because it is the right distance from the sun to have temperatures that are suitable for life to exist and also it has exactly the right type of gases in order to survive.Our planet has water and which is something very unique and our planet is also called "Blue Planet" because it is covered in water and this water is made up of fresh water in the oceans,rivers,groundwater and lakes these water bodies are called Hydrosphere.The hydrosphere provides an important place for many animals                

and plants and also it regulates the temperature means that water takes a long time to heat up and also a long time to cool down and it is important in helping to regulate temperatures on earth so that they stay within a range that is acceptable and comfortable for life to exist.Water is a part of living cells because without water,cells would not be able to carry out their normal functions and life could not exist,cell is made up of almost 75% of water and it makes the cell to function normally.Water is important to us.Drinking water is obviously very important in order to survive in this world.Water ca also be used to generate electricity through  hydro power and we can use it.Water is one of the most important for us in keeping us alive.

THE IMPORTANCE AND EFFECTS OF SCIENCE AND TECHNOLOGY

       
   In the world Science and Technology is very important to us because of there many great inventions that very useful to us.It is useful to us because of their inventions that could helps people do their work easier and faster.It is true that the most striking feature of the present century is the process of science. thanks to this, many great inventions have been born.one of the greatest advances in modern technology has been the invention of computer.it is the greatest  invention because it is very useful to us.many people believe that they can't do anything without a computer because in the modern world computer is very important because of technology we can perform our daily activities easier and faster without our effort. we can see that this machine do influence every aspect of everyday life both for the better and for the worse. we can say that it is important but there are many advantages and disadvantages .

                                       

                                                                     ADVANTAGES

          1.Less work for humans
- we can less our works by the help of computer and other technology.
          2.Makes life more enjoyable
- we can makes our life more enjoyable using the modern technology that invented in our modern world like for example the computer or TV we can enjoy our time in watching T.V. or playing games in internet
         3. Easier to communicate with other people or our love ones.
- we can easily communicate with other people or our love ones by using the modern technology for example the cellphone or the computer , we can communicate our love ones in abroad through internet
        4. Our job can be done faster
- Example of it, is washing machine , we can wash our clothes faster.

                                        DISADVANTAGES

       1. Environment is polluted and damaged
- The example of it are the cars and the factory , the smoke of it makes our environment polluted and the ozone layer will be damaged
       2. People become lay and don`t work
- People become lazy because of the modern technology invented in the world like cellphone, they cant do anything because of having fun in text.
       3. Technology is used in wars
- our modern world invented more weapons that use for wars and because of this technology many people will die
       4. It destroy our simple ad healthy life
- It affects our health life because of the radiation we can get from computer